Commits January 2018

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[kronosnet/kronosnet] a2b7e8: [PMTUd] don't forcerun in case of reschedule
by GitHub 07 Jan '18

07 Jan '18

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet Commit: a2b7e8a36a793f4f793a2770bc8e7b674c363caa https://github.com/kronosnet/kronosnet/commit/a2b7e8a36a793f4f793a2770bc8e7… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-07 (Sun, 07 Jan 2018) Changed paths: M libknet/threads_common.c Log Message: ----------- [PMTUd] don't forcerun in case of reschedule Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[kronosnet/kronosnet] 0985ad: [PMTUd] force rerun only if PMTUd has been interru...
by GitHub 07 Jan '18

07 Jan '18

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet Commit: 0985add4e665068f3ca1089e0232a92356896eb2 https://github.com/kronosnet/kronosnet/commit/0985add4e665068f3ca1089e0232a… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-07 (Sun, 07 Jan 2018) Changed paths: M libknet/threads_common.c Log Message: ----------- [PMTUd] force rerun only if PMTUd has been interrupted during a run Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[kronosnet/kronosnet] ecc99b: [PMTUd] force rerun only if PMTUd has been interru...
by GitHub 07 Jan '18

07 Jan '18

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet Commit: ecc99beb5483713e8e09fbe935ad2e22bb117c68 https://github.com/kronosnet/kronosnet/commit/ecc99beb5483713e8e09fbe935ad2… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-07 (Sun, 07 Jan 2018) Changed paths: M libknet/threads_common.c Log Message: ----------- [PMTUd] force rerun only if PMTUd has been interrupted during a run Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[kronosnet/knet-ansible-ci] d0710a: update systemd on git/local install
by GitHub 07 Jan '18

07 Jan '18

Branch: refs/heads/master Home: https://github.com/kronosnet/knet-ansible-ci Commit: d0710aed7bb1ae87c9785675d6faec70452caf37 https://github.com/kronosnet/knet-ansible-ci/commit/d0710aed7bb1ae87c978567… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-07 (Sun, 07 Jan 2018) Changed paths: M roles/corosync/tasks/corosync.yml Log Message: ----------- update systemd on git/local install Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[kronosnet/kronosnet]
by GitHub 05 Jan '18

05 Jan '18

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet

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[kronosnet/kronosnet]
by GitHub 05 Jan '18

05 Jan '18

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet

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[kronosnet/kronosnet] fc915b: [stats] report correct MTU for loopback links
by GitHub 05 Jan '18

05 Jan '18

Branch: refs/heads/master Home: https://github.com/kronosnet/kronosnet Commit: fc915b6744d3b37864c6fe0e9bc585fb79ec9c6f https://github.com/kronosnet/kronosnet/commit/fc915b6744d3b37864c6fe0e9bc58… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-03 (Wed, 03 Jan 2018) Changed paths: M libknet/links.c Log Message: ----------- [stats] report correct MTU for loopback links Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: 6cd9f82f33b07f0548bef9e4c5e59250d81d843c https://github.com/kronosnet/kronosnet/commit/6cd9f82f33b07f0548bef9e4c5e59… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-03 (Wed, 03 Jan 2018) Changed paths: M libknet/handle.c M libknet/internals.h M libknet/threads_pmtud.c M libknet/transport_udp.c Log Message: ----------- [PMTUd] Use kernel MTU information to determine next packet size during discovery Using this information we can, for good links (*), determine and verify the link MTU with 2 packets. * good links means: node X has MTU Y configured on a given interface. Any network object between node X and destination is capable of handling MTU >= Y. In no case the kernel will allow us to send packets > Y. Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: c7c7124a6d14afb94f9a979817b5db4168b52f5b https://github.com/kronosnet/kronosnet/commit/c7c7124a6d14afb94f9a979817b5d… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-03 (Wed, 03 Jan 2018) Changed paths: M libknet/links.c Log Message: ----------- [PTMUd] by using a safe PMTU to init a link, we can shave down corosync membership creation by 25% tested on a 9 node cluster with 2 links each node, going down from 4 seconds to 3 seconds Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: 912be6b2bb4658dbc2c0dc1f4eeef8f531164d2f https://github.com/kronosnet/kronosnet/commit/912be6b2bb4658dbc2c0dc1f4eeef… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-03 (Wed, 03 Jan 2018) Changed paths: M libknet/internals.h M libknet/threads_common.c M libknet/threads_pmtud.c Log Message: ----------- [PMTUd] rename pmtud_running to pmtud_waiting Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: 089d0e14e5c81ac9e462831c70d82870997c487c https://github.com/kronosnet/kronosnet/commit/089d0e14e5c81ac9e462831c70d82… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-03 (Wed, 03 Jan 2018) Changed paths: M libknet/internals.h M libknet/threads_pmtud.c M libknet/transport_udp.c Log Message: ----------- [PTMUd] if any threads receives a EMSGSIZE outside of a PMTUD run, force PTMUd to run Scenario: node X has MTU Y on the interface and application is sending packets with size >= Y. The interface MTU is suddenly reduced to < Y Before this change, the kernel would be dropping packets till the next PMTUd run. After this change, the PMTUd will be informed that it has to rerun (overriding the pmtud_interval), reducing the packet drop to a minimum. How to test: force knet_bench to send 1500 size packets with ping_data (requires code change) and start it. reduce MTU on the interface from 1500 to 1300 (for example) Notice an immediate trigger of PMTUd run in debug mode Note: going up, from 1300 to 1500 will wait for the next PMTUd re-run as there is no immediate way to detect this change unless we start listening to kernel netlink sockets with libnl3 (investigation in progress but not critical enough atm). Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: 7d0d68ceb7d153bd5fd58cb5dccdfc8f7765f51c https://github.com/kronosnet/kronosnet/commit/7d0d68ceb7d153bd5fd58cb5dccdf… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-03 (Wed, 03 Jan 2018) Changed paths: M libknet/transport_udp.c Log Message: ----------- [PMTUd] make PMTUd force_run notification more quiet Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: 3780ba8433ea458a52e01ba92108eb0cabafb035 https://github.com/kronosnet/kronosnet/commit/3780ba8433ea458a52e01ba92108e… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-03 (Wed, 03 Jan 2018) Changed paths: M libknet/threads_common.c Log Message: ----------- [PMTUd] if PMTUd is rescheduled, then enforce a new run the usleep between each PMTUd run will give time to the other threads to grab the wrlock Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: f7d49f4a3deb3e4d2db5b4a3d48df92e02be27d6 https://github.com/kronosnet/kronosnet/commit/f7d49f4a3deb3e4d2db5b4a3d48df… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-03 (Wed, 03 Jan 2018) Changed paths: M libknet/threads_pmtud.c Log Message: ----------- [PMTUd] generate warning when there is a timeout receiving a response Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: fafed5941d2b4754edb33fd4c3640ac50940968a https://github.com/kronosnet/kronosnet/commit/fafed5941d2b4754edb33fd4c3640… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-03 (Wed, 03 Jan 2018) Changed paths: M libknet/threads_pmtud.c Log Message: ----------- [PMTUd] amend warning message Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: a0408a4e103fca9a6303696d32511833bfbb69df https://github.com/kronosnet/kronosnet/commit/a0408a4e103fca9a6303696d32511… Author: Christine Caulfield <ccaulfie(a)redhat.com> Date: 2018-01-04 (Thu, 04 Jan 2018) Changed paths: M libknet/transport_udp.c Log Message: ----------- fix missing space Commit: 2e015c2f36040fd882f90962092bb31f91979240 https://github.com/kronosnet/kronosnet/commit/2e015c2f36040fd882f90962092bb… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-04 (Thu, 04 Jan 2018) Changed paths: M libknet/threads_pmtud.c Log Message: ----------- [PMTUd] cleanup variable usage and code around it Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: 78542c3527497dae1dbb33c26f96c5eb090fa53a https://github.com/kronosnet/kronosnet/commit/78542c3527497dae1dbb33c26f96c… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-04 (Thu, 04 Jan 2018) Changed paths: M libknet/threads_pmtud.c Log Message: ----------- meeeehhhhhh fixed on the top comment, forgot the bottom one Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: 334ed923182ca6798e77d3b69a38c214678a95d7 https://github.com/kronosnet/kronosnet/commit/334ed923182ca6798e77d3b69a38c… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-04 (Thu, 04 Jan 2018) Changed paths: M libknet/threads_pmtud.c Log Message: ----------- [PMTUd] more typo fixes Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com> Commit: b2c0f90a08df06112512f8ea52c6d411c1c11899 https://github.com/kronosnet/kronosnet/commit/b2c0f90a08df06112512f8ea52c6d… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-05 (Fri, 05 Jan 2018) Changed paths: M libknet/handle.c M libknet/internals.h M libknet/links.c M libknet/threads_common.c M libknet/threads_pmtud.c M libknet/transport_udp.c Log Message: ----------- Merge pull request #105 from kronosnet/scale Scale Compare: https://github.com/kronosnet/kronosnet/compare/8dd8029a2a16...b2c0f90a08df

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[kronosnet/kronosnet] 334ed9: [PMTUd] more typo fixes
by GitHub 04 Jan '18

04 Jan '18

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet Commit: 334ed923182ca6798e77d3b69a38c214678a95d7 https://github.com/kronosnet/kronosnet/commit/334ed923182ca6798e77d3b69a38c… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-04 (Thu, 04 Jan 2018) Changed paths: M libknet/threads_pmtud.c Log Message: ----------- [PMTUd] more typo fixes Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[kronosnet/kronosnet] 78542c: meeeehhhhhh fixed on the top comment, forgot the b...
by GitHub 04 Jan '18

04 Jan '18

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet Commit: 78542c3527497dae1dbb33c26f96c5eb090fa53a https://github.com/kronosnet/kronosnet/commit/78542c3527497dae1dbb33c26f96c… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-04 (Thu, 04 Jan 2018) Changed paths: M libknet/threads_pmtud.c Log Message: ----------- meeeehhhhhh fixed on the top comment, forgot the bottom one Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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[kronosnet/kronosnet] 2e015c: [PMTUd] cleanup variable usage and code around it
by GitHub 04 Jan '18

04 Jan '18

Branch: refs/heads/scale Home: https://github.com/kronosnet/kronosnet Commit: 2e015c2f36040fd882f90962092bb31f91979240 https://github.com/kronosnet/kronosnet/commit/2e015c2f36040fd882f90962092bb… Author: Fabio M. Di Nitto <fdinitto(a)redhat.com> Date: 2018-01-04 (Thu, 04 Jan 2018) Changed paths: M libknet/threads_pmtud.c Log Message: ----------- [PMTUd] cleanup variable usage and code around it Signed-off-by: Fabio M. Di Nitto <fdinitto(a)redhat.com>

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Commits January 2018